Skymet weather

Delhi yearns for good Monsoon rain amidst rising temperatures and high humidity

Since the declaration of Monsoon in the national capital, rain has been very minimal. Consequently, the mercury seems to be rising in Delhi/NCR.

On Friday, the maximum temperature in Delhi was 36.8⁰C at Safdarjung and 38.4⁰C at the Palam Observatory, which was about a notch above the normal average. The expected maximum temperature in Delhi on Saturday is even higher and may touch 40⁰C.

In the absence of good Monsoon showers, rising temperatures and high humidity the comfort level is very low. In the last 24 hours, the Palam Observatory recorded 6.2 mm of rain while Safdarjung received scanty rain of only 0.4 mm. Some passing showers are likely in pockets of North and West Delhi on Saturday as well but not sufficient to decrease the uneasiness.

An essential component for bringing good Monsoon rain in Delhi i.e. easterly winds of up to the height of 5000 ft. are missing here.

As have been explained earlier by Skymet Meteorology Division in India, weather activity in North India and Delhi comes from different directions during Monsoon in India. Precipitation here is driven by multiple factors, unlike just Western Disturbance in other seasons. Low pressure area, any cyclonic circulation originating in East India, the Monsoon trough and also Western Disturbances, which now track mostly northwards, affect weather in this part of the country. But at present no weather activity is strong enough to affect weather in Delhi.

 

Latest update on low pressure area over East India: Bihar receives heavy Monsoon rain

The low pressure area has been moving very slowly and is now positioned over northeast Jharkhand and neighbouring areas with an associated upper air cyclonic circulation extending up to 7.6 km above the sea level. The system is likely to move northwestwards entering east Uttar Pradesh during the next 24 hours

According to latest weather update, the low pressure area brought good rain in Jharkhand, West Bengal and heavy in Bihar.

In a span of 24 hours from 8.30 am on Friday, Bihar and Jharkhand received good showers with Bhagalpur recording a whopping 144 mm of rain.

Bokaro recorded 72.4 mm of rain, Daltonganj 11.2 mm, Jamshedpur 6.4 mm. But after receiving good showers of 63 mm on Thursday, rain has reduced in the capital of Jharkhand, Ranchi.

In Bihar, Muzaffarpur recorded 99 mm of rain, Bhagalpur 144 mm, Gaya 74 mm and Patna 47 mm, Supaul 43.4 mm and Motihari 26 mm.

Rain has reduced in West Bengal Asansol recording 7 mm of rain, Baharampur 26 mm, Burdwan 28, Coochbehar 32 mm, Jalpaiguri 16 mm, Malda 17 mm and Digha 14 mm.

In Uttar Pradesh, Bareilly received 27.2 mm of rain, Varanasi 24.2 mm, Allahabad 17 mm, Banda 11 mm and Gorakhpur 11 mm of rain.

As predicted by Skymet Meteorology Division in India, the system is making a slow progress and is likely to reach east Uttar Pradesh, before becoming insignificant.

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Low pressure area brings good Monsoon rain over Bihar, Jharkhand and West Bengal

 

The weather system in the Bay of Bengal lingered on for quite some time before moving inland earlier this week and is now positioned over Gangetic West Bengal and adjoining Jharkhand as a low pressure area. The system is moving in a west-­northwest direction and will take another day to reach east Uttar Pradesh. It will finally break up over west Uttar Pradesh and adjoining hills between the 7th and 8th of July, before becoming insignificant. It has an associated cyclonic circulation extending up to 7.6 km above mean sea level. The system brought in a lot of activity in East India particularly over West Bengal and adjoining areas.

 

As predicted by Skymet Meteorology Division in India, the system is making a slow progress, expanding to cover almost entire East India but with reduced intensity. As far as rain is concerned, even parts of Chhattisgarh, Odisha, Vidarbha, east Madhya Pradesh will receive rain besides West Bengal, Bihar and Jharkhand.

 

In a span of 24 hours from 8.30 am on Thursday, Bihar and Jharkhand received good showers with Bokaro recording 87 mm of rain, Daltonganj 24 mm, Jamshedpur 34 mm, Ranchi 63 mm.

 

In Bihar, Muzaffarpur 99 mm, Bhagalpur received 75 mm, Gaya 31 mm and Patna 12 mm.

 

West Bengal continues to receive good showers as well with Asansol recording 61.4 mm of rain, Bankura 50.1 mm, Digha 33.4 mm, Jalpaiguri 33 mm, Kolkata 42.3 mm and Krishnanagar 40.4 mm.

 

According to the latest weather update, rain will continue in these two states for the next 72 hours.

Skymet had already given a detailed look of the prominent features of the system, which are as follows:

 

  • The system has been crucial for mitigating the rain deficiency in other parts of the country.
  • It is responsible for establish the Monsoon trough, important for bringing Monsoon rain along the Indo Gangetic plains.
  • It has a good life span and expected to last for a total of 7 to 8 days.
  • The low pressure area is also intensifying the Monsoon surge along the West Coast. Consequently, Mumbai, Konkan and Goa have received good rain.
  • We have already said that this weather system has been lingering on for quite some time, bringing good Monsoon rain over East India. It is likely to persist for another 3 days.
  • The system has been erratic, showing signs of intensification at times and then again disorganising. There has been no consistency in terms of cloud formation as well, with a cluster of thick clouds quickly scattering away.
  • Any low pressure area over the Bay of Bengal brings easterly winds, which reduces the intensity of rain over Northeast India, Sub Himalayan West Bengal and Sikkim.

 

 

 

 

 

 

 

 

 

 

 

Weather alerts for India on 4th July

Weather alert for Andhra Pradesh issued at 15.22 hrs

Light to moderate rain and thundershowers are likely at one or two places in Hyderabad, Karimnagar, Khammam, Medak, Nizamabad and Warangal districts during the next 2 to 5 hours.

Weather alert for East India issued at 15.15 hrs

Moderate to heavy rain and thundershowers are likely at some places in East Uttar Pradesh, Bihar, Jharkhand and West Bengal with strong winds ranging between 50 kmph and 70 kmph during the next 24 to 36 hours.

Weather alert for Uttar Pradesh issued at 15.05 hrs

In the next 1 to 4 hours, light to moderate rain and thundershowers are likely at few places in Agra, Etah, Hathras and Mathura districts with strong winds ranging between 30 kmph and 50 kmph.

 Weather alert for Rajasthan issued at 14.55 hrs

Light to moderate rain and thundershowers at a few places are likely over Bharatpur, Dholpur and Karauli districts in the next 1 to 2 hours. Rain will be accompanied by strong winds ranging between 30 kmph and 50 kmph.

Weather alert for Delhi-NCR issued at 14.45 hrs

Light to moderate rain and thundershowers are likely over Northwest Delhi, Central Delhi and South Delhi with strong winds ranging between 30 kmph and 50 kmph during the next 1 to 4 hours.

More Monsoon showers in Mumbai for next 48 hours

Heavy Monsoon showers of over 200 mm in Mumbai on Wednesday were much welcomed by the citizens, who are otherwise troubled by Monsoon woes, as the city has been mainly dry this year. In the last 24 hours, rain has reduced considerably and the city recorded just 59 mm of rain.

Rainfall has declined over places near Mumbai as well. Ratnagiri has received only 27.5 mm of rain in the last 24 hours. Good Monsoon showers are likely to continue over the city for another 48 hours and reduce thereafter.

The orography is definitely playing a significant role in accentuating this kind of a weather activity, but the part played by the low pressure area over East India cannot be overlooked either.

The erratic weather system is also intensifying the Monsoon surge along the West Coast. According to the latest weather update by Skymet Meteorology Division in India, Konkan and Goa are also receiving good rain with the weather station at Panjim recording 49 mm of rain on Thursday.

The city recorded 207 mm of rain on Wednesday, which is close to the five-year high of 215 mm recorded - in a span of 24 hours - in 2013. Though Mumbai will receive rain in the coming days, breaking this record seems unlikely as the city may not receive more than 50 mm of rain.

The weather will remain pleasant as significant rise in mercury levels is not in the offing. With passing spells of rain, temperature will remain at comfortable levels, particularly during late evening and early morning hours.

picture courtesy- Parvathy A

 







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